1#!/bin/sh
2
3#
4# Copyright (c) 2009 Peter Holm <pho@FreeBSD.org>
5# All rights reserved.
6#
7# Redistribution and use in source and binary forms, with or without
8# modification, are permitted provided that the following conditions
9# are met:
10# 1. Redistributions of source code must retain the above copyright
11#    notice, this list of conditions and the following disclaimer.
12# 2. Redistributions in binary form must reproduce the above copyright
13#    notice, this list of conditions and the following disclaimer in the
14#    documentation and/or other materials provided with the distribution.
15#
16# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26# SUCH DAMAGE.
27#
28
29# Test unmount of a device that is already gone
30
31# Leaves /mnt6 unmountable and leads to a "panic: 1 vncache entries remaining"
32# during shut down.
33
34[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
35
36. ../default.cfg
37
38D=$diskimage
39export here=`pwd`
40
41m1=$mdstart
42m2=$((m1 + 1))
43mount | grep "$mntpoint$m2" | grep -q md$m2 && umount $mntpoint$m2
44mdconfig -l | grep -q md$m2 &&  mdconfig -d -u $m2
45mount | grep "$mntpoint$m1" | grep -q md$m1 && umount $mntpoint$m1
46mdconfig -l | grep -q md$m1 &&  mdconfig -d -u $m1
47[ -d $mntpoint$m1 ] || mkdir -p $mntpoint$m1
48[ -d $mntpoint$m2 ] || mkdir -p $mntpoint$m2
49
50dd if=/dev/zero of=$D$m bs=100m count=1 status=none || exit 1
51
52mdconfig -a -t vnode -f $D$m1 -u $m1
53
54newfs md$m1 > /dev/null 2>&1
55mount /dev/md$m1 $mntpoint$m1
56
57truncate -s 500M $mntpoint$m1/diskimage
58mdconfig -a -t vnode -f $mntpoint$m1/diskimage -u $m2
59
60newfs md$m2 > /dev/null 2>&1
61mount /dev/md$m2 $mntpoint$m2
62
63# Reversed umount sequence:
64umount -f /dev/md$m1
65umount -f /dev/md$m2
66
67mount | grep "$mntpoint" | grep -q md$m2 && umount $mntpoint$m2
68mdconfig -l | grep -q md$m2 &&  mdconfig -d -u $m2
69mount | grep "$mntpoint" | grep -q md$m1 && umount $mntpoint$m1
70mdconfig -l | grep -q md$m1 &&  mdconfig -d -u $m1
71